Gallifrey One: 30 Years in the TARDIS
Billed as "the world’s largest and longest-running annual Doctor Who fan convention." The program includes "Q&As, interviews, live episode commentaries, discussion panels, workshops, and the annual Bob May Memorial Charity Auction." Guests for 2019 include Colin Baker (the Sixth Doctor) and Pearl Mackie (Dr. Who companion "Bill Potts" in the 10th series).
Tickets for the 2019 event are sold out, but transfers will be open in December and January.